diff --git a/packages/client/src/methods/chats/mark-chat-unread.ts b/packages/client/src/methods/chats/mark-chat-unread.ts
index d2619cbe..5aad28d7 100644
--- a/packages/client/src/methods/chats/mark-chat-unread.ts
+++ b/packages/client/src/methods/chats/mark-chat-unread.ts
@@ -18,5 +18,6 @@ export async function markChatUnread(
             _: 'inputDialogPeer',
             peer: normalizeToInputPeer(await this.resolvePeer(chatId)),
         },
+        unread: true
     })
 }